/* Technical-X Brand Colors - Modern Professional Design */
:root {
    /* Primary Brand Colors */
    --tx-lime-green: #32CD32;
    --tx-lime-green-dark: #28B828;
    --tx-lime-green-light: #50E050;
    --tx-navy-blue: #1E3A8A;
    --tx-navy-blue-dark: #1E40AF;
    --tx-navy-blue-light: #3B82F6;
    
    /* Supporting Colors */
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #0891b2;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --text-muted: #6b7280;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: #1f2937;
}

/* Main Container */
.container {
    max-width: 1200px;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--tx-navy-blue);
    font-weight: 600;
    letter-spacing: -0.015em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.12) !important;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--tx-navy-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    border-radius: 0.5rem !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

/* Primary Button - Lime Green */
.btn-primary {
    background-color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
    color: white;
}

.btn-primary:hover {
    background-color: var(--tx-lime-green-dark);
    border-color: var(--tx-lime-green-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(50, 205, 50, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.25rem rgba(50, 205, 50, 0.5);
}

/* Success Button - Use brand lime green */
.btn-success {
    background-color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
    color: white;
}

.btn-success:hover {
    background-color: var(--tx-lime-green-dark);
    border-color: var(--tx-lime-green-dark);
    color: white;
    box-shadow: 0 4px 12px rgba(50, 205, 50, 0.3);
}

.btn-success:focus {
    box-shadow: 0 0 0 0.25rem rgba(50, 205, 50, 0.5);
}

/* Info Button - Navy Blue */
.btn-info {
    background-color: var(--tx-navy-blue-light);
    border-color: var(--tx-navy-blue-light);
    color: white;
}

.btn-info:hover {
    background-color: var(--tx-navy-blue-dark);
    border-color: var(--tx-navy-blue-dark);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-info:focus {
    box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.5);
}

/* Warning Button */
.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background-color: #b45309;
    border-color: #b45309;
    color: white;
}

/* Danger Button */
.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
    border-color: #b91c1c;
    color: white;
}

/* Outline Primary - Lime Green */
.btn-outline-primary {
    color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
}

.btn-outline-primary:hover {
    background-color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
    color: white;
}

/* Outline Secondary */
.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--light-bg);
    border-color: var(--text-muted);
    color: var(--text-muted);
}

/* Outline Success - Lime Green */
.btn-outline-success {
    color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
}

.btn-outline-success:hover {
    background-color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
    color: white;
}

/* Outline Info - Navy Blue */
.btn-outline-info {
    color: var(--tx-navy-blue-light);
    border-color: var(--tx-navy-blue-light);
}

.btn-outline-info:hover {
    background-color: var(--tx-navy-blue-light);
    border-color: var(--tx-navy-blue-light);
    color: white;
}

/* Outline Danger */
.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-outline-danger:hover {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

/* Outline Warning */
.btn-outline-warning {
    color: var(--warning-color);
    border-color: var(--warning-color);
}

.btn-outline-warning:hover {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control, .form-select {
    border-color: var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--tx-lime-green);
    box-shadow: 0 0 0 3px rgba(50, 205, 50, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--tx-navy-blue);
    margin-bottom: 0.5rem;
}

.input-group .input-group-text {
    background-color: var(--light-bg);
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* Alerts */
.alert {
    border-radius: 0.5rem;
    border: none;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.alert-info {
    background-color: #cffafe;
    color: #164e63;
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background-color: var(--light-bg);
    border-color: var(--border-color);
    font-weight: 600;
    color: var(--tx-navy-blue);
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table tbody td {
    border-color: var(--border-color);
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: var(--light-bg);
}

.table-hover tbody tr:hover {
    background-color: #f9fafb;
    cursor: pointer;
}

/* Badges */
.badge {
    padding: 0.35rem 0.65rem;
    font-weight: 500;
    font-size: 0.8rem;
    border-radius: 0.35rem;
}

.bg-success { 
    background-color: var(--tx-lime-green) !important; 
}

.bg-danger { 
    background-color: var(--danger-color) !important; 
}

.bg-warning { 
    background-color: var(--warning-color) !important; 
}

.bg-info { 
    background-color: var(--tx-navy-blue-light) !important; 
}

.bg-primary { 
    background-color: var(--tx-lime-green) !important; 
}

.text-success { 
    color: var(--tx-lime-green) !important; 
}

.text-danger { 
    color: var(--danger-color) !important; 
}

.text-warning { 
    color: var(--warning-color) !important; 
}

.text-info { 
    color: var(--tx-navy-blue-light) !important; 
}

.text-primary { 
    color: var(--tx-lime-green) !important; 
}

.text-muted { 
    color: var(--text-muted) !important; 
}

/* List Groups */
.list-group-item {
    border-color: var(--border-color);
    padding: 0.75rem 1rem;
}

.list-group-item:hover {
    background-color: var(--light-bg);
}

/* Navigation */
.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--tx-lime-green) !important;
}

/* Links */
a {
    color: var(--tx-navy-blue);
    text-decoration: none;
}

a:hover {
    color: var(--tx-lime-green);
}

/* Breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item {
    color: var(--text-muted);
}

.breadcrumb-item.active {
    color: #111827;
}

/* Pagination */
.pagination {
    gap: 0.25rem;
}

.page-link {
    border-color: var(--border-color);
    color: var(--tx-navy-blue);
    border-radius: 0.35rem;
}

.page-link:hover {
    background-color: var(--light-bg);
    border-color: var(--border-color);
}

.page-link.active {
    background-color: var(--tx-lime-green);
    border-color: var(--tx-lime-green);
}

/* Shadow Utilities */
.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
}

.shadow {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06) !important;
}

/* Utility Classes */
.text-decoration-none {
    text-decoration: none !important;
}

.fw-bold {
    font-weight: 700 !important;
}

.fw-5 {
    font-weight: 500 !important;
}

.gap-3 {
    gap: 1rem !important;
}

.gap-4 {
    gap: 1.5rem !important;
}

/* Brand-specific utility classes */
.text-brand-primary {
    color: var(--tx-lime-green) !important;
}

.text-brand-secondary {
    color: var(--tx-navy-blue) !important;
}

.bg-brand-light {
    background-color: rgba(50, 205, 50, 0.1) !important;
}

.border-brand {
    border-color: var(--tx-lime-green) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 0.5rem 0.75rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
}

/* Animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: slideIn 0.3s ease-out;
}

/* Navbar Brand Colors */
.navbar-light .navbar-nav .nav-link {
    color: var(--tx-navy-blue) !important;
    font-weight: 500;
}

.navbar-light .navbar-nav .nav-link:hover {
    color: var(--tx-lime-green) !important;
}

.navbar-brand-text {
    color: var(--tx-navy-blue) !important;
    font-weight: 700;
    font-size: 1.1rem;
}

.navbar-light.bg-white.navbar-shadow {
    background-color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
}